Peter Raleigh

Principal Engineer | TBM Specialist

Peter has more than 33 years of tunnel and mining engineering experience, with an emphasis on using tunnel boring machines (TBMs) in a variety of ground conditions, including large-diameter projects through hard rock, weathered rock, and soft ground. Peter’s extensive experience with pressurized face TBMs stems from work with contractors and a TBM manufacturer, as well as from design, project, and construction management roles. He is currently the shaft and tunnel construction manager for the Los Angeles Metro’s Purple Line Extension Section 2 project. Prior to arriving in Los Angeles, he helped expand Delve Underground’s presence in New Zealand and Canada by supporting new offices in Auckland and Vancouver, as well as in the US Midwest.